Amberfish is an open source text retrieval system developed by Etymon Systems;
the company seems to no longer exist, but the software is still available at http://
sourceforge.net/projects/amberfish/ and https://github.com/nassar/ amberfish.

The amberfish is a stranger to but few Americans. Rather scarce in numbers, they
frequent waters out of the way and are accessible to most of us only at the
expense of considerable effort. The Gulf of Mexico, with its semi- tropical waters,
...